Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Electromagnetic radiation can be viewed as...
Second principle of Centripetal force
Near a maximum
Waves and particles
Newtons second principle of Universal Gravitation

2. The theoretical production curve of oil indicates oil production is...
Heat of fusion
Near a maximum
Newtons second principle of Universal Gravitation
5 m/s

3. Circular motion requires centripetal force
12 miles per hour
Second principle of Centripetal force
Total internal energy of an object
First principle of Centripetal force

4. The gravitational force - two masses are directly proportional to the mass of each object
Mechanical - chemical - and radiant energy
Newtons second principle of Universal Gravitation
Disorder
Heat of fusion

5. When you add heat to a substance - its temperature...
Might stay the same
Newtons first principle of Universal Gravitation
Heat of fusion
Movement

6. At a given speed - the centripetal force - the smaller the circle.
Third principle of Centripetal force
Waste heat for secondary uses
First principle of Centripetal force
263 degrees kelvin

7. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Increasing speed and constant acceleration
Heat of fusion
Mechanical - chemical - and radiant energy
Might stay the same

8. cogeneration uses...
Waste heat for secondary uses
Twice the work
Total internal energy of an object
5 m/s

9. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Means less power is transmitted
Twice the work
Decreased
Total internal energy of an object

10. The weight of one kilogram of iron on earth is...
Heat of fusion
Means less power is transmitted
Less on the moon
Newtons second principle of Universal Gravitation

11. All objects with mass are attracted to another by the gravitational force
Difference between the heat supplied and the heat exhausted
Heat of fusion
Third principle of Centripetal force
Newtons first principle of Universal Gravitation

12. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Heat of fusion
Waves and particles
Increasing speed and constant acceleration
Halogen radicals interfering in ozone synthesis

13. Raising an auto in a service station requires work. Raising it twice as high requires...
Less on the moon
Twice the work
Waves and particles
Universal

14. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Difference between the heat supplied and the heat exhausted
Newtons third principle of Universal Gravitation
12 miles per hour
Heat of fusion

15. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Movement
Difference in the sped of light in water vs. air
Difference between the heat supplied and the heat exhausted
12 miles per hour

16. Which is not one of the fundamental forces of nature...
Mechanical - chemical - and radiant energy
263 degrees kelvin
Universal
Difference between the heat supplied and the heat exhausted

17. Entropy refers to...
Disorder
Decreased
Increases the energy
Less on the moon

18. The ozone hole results from...
Movement
Halogen radicals interfering in ozone synthesis
Total internal energy of an object
Remains unchanged

19. In a generator - the flow of electrons (current) is created by...
Second principle of Centripetal force
Movement
Near a maximum
Twice the work

20. A temperature of -10 degrees celsius is equivalent to...
Remains unchanged
Waste heat for secondary uses
263 degrees kelvin
Increasing speed and constant acceleration

21. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Remains unchanged
Sulfur
Total internal energy of an object
263 degrees kelvin

22. Heat is the...
Total internal energy of an object
Second principle of Centripetal force
263 degrees kelvin
Increasing speed and constant acceleration

23. Electrical energy can be converted to...
Might stay the same
Mechanical - chemical - and radiant energy
Difference in the sped of light in water vs. air
Waves and particles

24. The reason that a spear fisherman cannot see where the fish is actually located is...
Heat of fusion
Difference in the sped of light in water vs. air
Difference between the heat supplied and the heat exhausted
Disorder

25. In burning coal - what contaminant is of major concern as a pollutant...
Third principle of Centripetal force
263 degrees kelvin
Sulfur
Mechanical - chemical - and radiant energy

26. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Might stay the same
5 m/s
Less on the moon
First principle of Centripetal force

27. Increasing the frequency of light
Total internal energy of an object
Increases the energy
Momentum
5 m/s

28. The larger the centripetal force - the faster an object travels in a circle of a given size
Might stay the same
Third principle of Centripetal force
Decreased
Second principle of Centripetal force

29. The work that a heat engine is able to accomplish is ideally equivalent to the
Heat of fusion
Increasing speed and constant acceleration
Decreased
Difference between the heat supplied and the heat exhausted

30. If a charging elephant has kinetic energy - it must also have...
Disorder
Momentum
Total internal energy of an object
Might stay the same

31. From the 50's and to the 70's - the pH of rain in the northeast had..
Decreased
Remains unchanged
Movement
Waste heat for secondary uses